Home / 81,547.66-112,431.59-52,816.62

Finding the Fourth Proportional to 81,547.66, 112,431.59 and 52,816.62

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Solution

The fourth proportional to 81,547.66, 112,431.59 and 52,816.62 is: 72,819.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,547.66 : 112,431.59 = 52,816.62 : x
  2. Step 2: Convert to fraction form
    81,547.66/112,431.59 = 52,816.62/x
  3. Step 3: Cross multiply
    81,547.66x = 112,431.59 × 52,816.62
  4. Step 4: Simplify right side
    81,547.66x = 5,938,256,565.03
  5. Step 5: Solve for x
    x = 5,938,256,565.03/81,547.66
  6. Step 6: Final answer
    x = 72,819.46

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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.