Home / 71,557.08-98,748.99-39,726.06

Finding the Fourth Proportional to 71,557.08, 98,748.99 and 39,726.06

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Solution

The fourth proportional to 71,557.08, 98,748.99 and 39,726.06 is: 54,822.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,557.08 : 98,748.99 = 39,726.06 : x
  2. Step 2: Convert to fraction form
    71,557.08/98,748.99 = 39,726.06/x
  3. Step 3: Cross multiply
    71,557.08x = 98,748.99 × 39,726.06
  4. Step 4: Simplify right side
    71,557.08x = 3,922,908,301.68
  5. Step 5: Solve for x
    x = 3,922,908,301.68/71,557.08
  6. Step 6: Final answer
    x = 54,822.08

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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.