Home / 97,885.47-135,070.56-57,590.40

Finding the Fourth Proportional to 97,885.47, 135,070.56 and 57,590.40

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Solution

The fourth proportional to 97,885.47, 135,070.56 and 57,590.40 is: 79,468.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,885.47 : 135,070.56 = 57,590.40 : x
  2. Step 2: Convert to fraction form
    97,885.47/135,070.56 = 57,590.40/x
  3. Step 3: Cross multiply
    97,885.47x = 135,070.56 × 57,590.40
  4. Step 4: Simplify right side
    97,885.47x = 7,778,767,578.62
  5. Step 5: Solve for x
    x = 7,778,767,578.62/97,885.47
  6. Step 6: Final answer
    x = 79,468.05

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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.