Home / 99,253.08-136,967.56-53,931.76

Finding the Fourth Proportional to 99,253.08, 136,967.56 and 53,931.76

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Solution

The fourth proportional to 99,253.08, 136,967.56 and 53,931.76 is: 74,424.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,253.08 : 136,967.56 = 53,931.76 : x
  2. Step 2: Convert to fraction form
    99,253.08/136,967.56 = 53,931.76/x
  3. Step 3: Cross multiply
    99,253.08x = 136,967.56 × 53,931.76
  4. Step 4: Simplify right side
    99,253.08x = 7,386,901,096.46
  5. Step 5: Solve for x
    x = 7,386,901,096.46/99,253.08
  6. Step 6: Final answer
    x = 74,424.91

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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.