Home / 98,678.96-136,202.28-60,931.52

Finding the Fourth Proportional to 98,678.96, 136,202.28 and 60,931.52

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Solution

The fourth proportional to 98,678.96, 136,202.28 and 60,931.52 is: 84,101.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,678.96 : 136,202.28 = 60,931.52 : x
  2. Step 2: Convert to fraction form
    98,678.96/136,202.28 = 60,931.52/x
  3. Step 3: Cross multiply
    98,678.96x = 136,202.28 × 60,931.52
  4. Step 4: Simplify right side
    98,678.96x = 8,299,011,947.87
  5. Step 5: Solve for x
    x = 8,299,011,947.87/98,678.96
  6. Step 6: Final answer
    x = 84,101.13

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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.