Home / 99,027.60-148,339.80-61,472.40

Finding the Fourth Proportional to 99,027.60, 148,339.80 and 61,472.40

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Solution

The fourth proportional to 99,027.60, 148,339.80 and 61,472.40 is: 92,083.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,027.60 : 148,339.80 = 61,472.40 : x
  2. Step 2: Convert to fraction form
    99,027.60/148,339.80 = 61,472.40/x
  3. Step 3: Cross multiply
    99,027.60x = 148,339.80 × 61,472.40
  4. Step 4: Simplify right side
    99,027.60x = 9,118,803,521.52
  5. Step 5: Solve for x
    x = 9,118,803,521.52/99,027.60
  6. Step 6: Final answer
    x = 92,083.45

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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.