Home / 97,875.64-135,077.10-55,436.92

Finding the Fourth Proportional to 97,875.64, 135,077.10 and 55,436.92

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Solution

The fourth proportional to 97,875.64, 135,077.10 and 55,436.92 is: 76,507.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,875.64 : 135,077.10 = 55,436.92 : x
  2. Step 2: Convert to fraction form
    97,875.64/135,077.10 = 55,436.92/x
  3. Step 3: Cross multiply
    97,875.64x = 135,077.10 × 55,436.92
  4. Step 4: Simplify right side
    97,875.64x = 7,488,258,386.53
  5. Step 5: Solve for x
    x = 7,488,258,386.53/97,875.64
  6. Step 6: Final answer
    x = 76,507.89

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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.