Home / 90,307.78-124,577.48-55,841.49

Finding the Fourth Proportional to 90,307.78, 124,577.48 and 55,841.49

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Solution

The fourth proportional to 90,307.78, 124,577.48 and 55,841.49 is: 77,032.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,307.78 : 124,577.48 = 55,841.49 : x
  2. Step 2: Convert to fraction form
    90,307.78/124,577.48 = 55,841.49/x
  3. Step 3: Cross multiply
    90,307.78x = 124,577.48 × 55,841.49
  4. Step 4: Simplify right side
    90,307.78x = 6,956,592,243.25
  5. Step 5: Solve for x
    x = 6,956,592,243.25/90,307.78
  6. Step 6: Final answer
    x = 77,032.04

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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.