Home / 88,148.16-121,683.84-52,349.70

Finding the Fourth Proportional to 88,148.16, 121,683.84 and 52,349.70

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Solution

The fourth proportional to 88,148.16, 121,683.84 and 52,349.70 is: 72,265.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,148.16 : 121,683.84 = 52,349.70 : x
  2. Step 2: Convert to fraction form
    88,148.16/121,683.84 = 52,349.70/x
  3. Step 3: Cross multiply
    88,148.16x = 121,683.84 × 52,349.70
  4. Step 4: Simplify right side
    88,148.16x = 6,370,112,518.85
  5. Step 5: Solve for x
    x = 6,370,112,518.85/88,148.16
  6. Step 6: Final answer
    x = 72,265.97

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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.