Home / 88,999.70-133,337.55-70,402.10

Finding the Fourth Proportional to 88,999.70, 133,337.55 and 70,402.10

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Solution

The fourth proportional to 88,999.70, 133,337.55 and 70,402.10 is: 105,475.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,999.70 : 133,337.55 = 70,402.10 : x
  2. Step 2: Convert to fraction form
    88,999.70/133,337.55 = 70,402.10/x
  3. Step 3: Cross multiply
    88,999.70x = 133,337.55 × 70,402.10
  4. Step 4: Simplify right side
    88,999.70x = 9,387,243,528.86
  5. Step 5: Solve for x
    x = 9,387,243,528.86/88,999.70
  6. Step 6: Final answer
    x = 105,475.00

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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.