Home / 112,547.22-155,334.30-64,828.24

Finding the Fourth Proportional to 112,547.22, 155,334.30 and 64,828.24

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Solution

The fourth proportional to 112,547.22, 155,334.30 and 64,828.24 is: 89,473.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,547.22 : 155,334.30 = 64,828.24 : x
  2. Step 2: Convert to fraction form
    112,547.22/155,334.30 = 64,828.24/x
  3. Step 3: Cross multiply
    112,547.22x = 155,334.30 × 64,828.24
  4. Step 4: Simplify right side
    112,547.22x = 10,070,049,280.63
  5. Step 5: Solve for x
    x = 10,070,049,280.63/112,547.22
  6. Step 6: Final answer
    x = 89,473.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.