Home / 61,478.28-84,841.98-35,987.16

Finding the Fourth Proportional to 61,478.28, 84,841.98 and 35,987.16

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Solution

The fourth proportional to 61,478.28, 84,841.98 and 35,987.16 is: 49,663.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,478.28 : 84,841.98 = 35,987.16 : x
  2. Step 2: Convert to fraction form
    61,478.28/84,841.98 = 35,987.16/x
  3. Step 3: Cross multiply
    61,478.28x = 84,841.98 × 35,987.16
  4. Step 4: Simplify right side
    61,478.28x = 3,053,221,908.98
  5. Step 5: Solve for x
    x = 3,053,221,908.98/61,478.28
  6. Step 6: Final answer
    x = 49,663.42

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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.