Home / 75,897.36-114,095.13-70,416.90

Finding the Fourth Proportional to 75,897.36, 114,095.13 and 70,416.90

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Solution

The fourth proportional to 75,897.36, 114,095.13 and 70,416.90 is: 105,856.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,897.36 : 114,095.13 = 70,416.90 : x
  2. Step 2: Convert to fraction form
    75,897.36/114,095.13 = 70,416.90/x
  3. Step 3: Cross multiply
    75,897.36x = 114,095.13 × 70,416.90
  4. Step 4: Simplify right side
    75,897.36x = 8,034,225,359.70
  5. Step 5: Solve for x
    x = 8,034,225,359.70/75,897.36
  6. Step 6: Final answer
    x = 105,856.45

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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.