Home / 69,901.18-96,460.64-38,070.16

Finding the Fourth Proportional to 69,901.18, 96,460.64 and 38,070.16

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Solution

The fourth proportional to 69,901.18, 96,460.64 and 38,070.16 is: 52,535.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,901.18 : 96,460.64 = 38,070.16 : x
  2. Step 2: Convert to fraction form
    69,901.18/96,460.64 = 38,070.16/x
  3. Step 3: Cross multiply
    69,901.18x = 96,460.64 × 38,070.16
  4. Step 4: Simplify right side
    69,901.18x = 3,672,271,998.50
  5. Step 5: Solve for x
    x = 3,672,271,998.50/69,901.18
  6. Step 6: Final answer
    x = 52,535.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.