Home / 98,937.56-148,350.84-42,742.58

Finding the Fourth Proportional to 98,937.56, 148,350.84 and 42,742.58

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Solution

The fourth proportional to 98,937.56, 148,350.84 and 42,742.58 is: 64,089.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,937.56 : 148,350.84 = 42,742.58 : x
  2. Step 2: Convert to fraction form
    98,937.56/148,350.84 = 42,742.58/x
  3. Step 3: Cross multiply
    98,937.56x = 148,350.84 × 42,742.58
  4. Step 4: Simplify right side
    98,937.56x = 6,340,897,646.77
  5. Step 5: Solve for x
    x = 6,340,897,646.77/98,937.56
  6. Step 6: Final answer
    x = 64,089.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.