Home / 67,888.64-93,617.28-45,221.12

Finding the Fourth Proportional to 67,888.64, 93,617.28 and 45,221.12

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Solution

The fourth proportional to 67,888.64, 93,617.28 and 45,221.12 is: 62,359.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,888.64 : 93,617.28 = 45,221.12 : x
  2. Step 2: Convert to fraction form
    67,888.64/93,617.28 = 45,221.12/x
  3. Step 3: Cross multiply
    67,888.64x = 93,617.28 × 45,221.12
  4. Step 4: Simplify right side
    67,888.64x = 4,233,478,252.95
  5. Step 5: Solve for x
    x = 4,233,478,252.95/67,888.64
  6. Step 6: Final answer
    x = 62,359.16

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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.