Home / 92,766.16-128,017.34-52,479.07

Finding the Fourth Proportional to 92,766.16, 128,017.34 and 52,479.07

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Solution

The fourth proportional to 92,766.16, 128,017.34 and 52,479.07 is: 72,421.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,766.16 : 128,017.34 = 52,479.07 : x
  2. Step 2: Convert to fraction form
    92,766.16/128,017.34 = 52,479.07/x
  3. Step 3: Cross multiply
    92,766.16x = 128,017.34 × 52,479.07
  4. Step 4: Simplify right side
    92,766.16x = 6,718,230,947.07
  5. Step 5: Solve for x
    x = 6,718,230,947.07/92,766.16
  6. Step 6: Final answer
    x = 72,421.14

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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.