Home / 97,438.32-134,465.88-57,175.92

Finding the Fourth Proportional to 97,438.32, 134,465.88 and 57,175.92

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Solution

The fourth proportional to 97,438.32, 134,465.88 and 57,175.92 is: 78,903.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,438.32 : 134,465.88 = 57,175.92 : x
  2. Step 2: Convert to fraction form
    97,438.32/134,465.88 = 57,175.92/x
  3. Step 3: Cross multiply
    97,438.32x = 134,465.88 × 57,175.92
  4. Step 4: Simplify right side
    97,438.32x = 7,688,210,397.61
  5. Step 5: Solve for x
    x = 7,688,210,397.61/97,438.32
  6. Step 6: Final answer
    x = 78,903.36

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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.