Home / 98,835.18-148,146.45-42,701.87

Finding the Fourth Proportional to 98,835.18, 148,146.45 and 42,701.87

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Solution

The fourth proportional to 98,835.18, 148,146.45 and 42,701.87 is: 64,006.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,835.18 : 148,146.45 = 42,701.87 : x
  2. Step 2: Convert to fraction form
    98,835.18/148,146.45 = 42,701.87/x
  3. Step 3: Cross multiply
    98,835.18x = 148,146.45 × 42,701.87
  4. Step 4: Simplify right side
    98,835.18x = 6,326,130,448.86
  5. Step 5: Solve for x
    x = 6,326,130,448.86/98,835.18
  6. Step 6: Final answer
    x = 64,006.87

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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.