Home / 94,501.40-141,752.10-77,005.40

Finding the Fourth Proportional to 94,501.40, 141,752.10 and 77,005.40

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Solution

The fourth proportional to 94,501.40, 141,752.10 and 77,005.40 is: 115,508.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,501.40 : 141,752.10 = 77,005.40 : x
  2. Step 2: Convert to fraction form
    94,501.40/141,752.10 = 77,005.40/x
  3. Step 3: Cross multiply
    94,501.40x = 141,752.10 × 77,005.40
  4. Step 4: Simplify right side
    94,501.40x = 10,915,677,161.34
  5. Step 5: Solve for x
    x = 10,915,677,161.34/94,501.40
  6. Step 6: Final answer
    x = 115,508.10

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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.