Home / 97,421.60-134,428.32-54,395.84

Finding the Fourth Proportional to 97,421.60, 134,428.32 and 54,395.84

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Solution

The fourth proportional to 97,421.60, 134,428.32 and 54,395.84 is: 75,058.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,421.60 : 134,428.32 = 54,395.84 : x
  2. Step 2: Convert to fraction form
    97,421.60/134,428.32 = 54,395.84/x
  3. Step 3: Cross multiply
    97,421.60x = 134,428.32 × 54,395.84
  4. Step 4: Simplify right side
    97,421.60x = 7,312,341,386.19
  5. Step 5: Solve for x
    x = 7,312,341,386.19/97,421.60
  6. Step 6: Final answer
    x = 75,058.73

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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.