Home / 99,569.40-149,354.10-62,705.40

Finding the Fourth Proportional to 99,569.40, 149,354.10 and 62,705.40

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Solution

The fourth proportional to 99,569.40, 149,354.10 and 62,705.40 is: 94,058.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,569.40 : 149,354.10 = 62,705.40 : x
  2. Step 2: Convert to fraction form
    99,569.40/149,354.10 = 62,705.40/x
  3. Step 3: Cross multiply
    99,569.40x = 149,354.10 × 62,705.40
  4. Step 4: Simplify right side
    99,569.40x = 9,365,308,582.14
  5. Step 5: Solve for x
    x = 9,365,308,582.14/99,569.40
  6. Step 6: Final answer
    x = 94,058.10

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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.