Home / 88,931.66-122,767.05-52,621.69

Finding the Fourth Proportional to 88,931.66, 122,767.05 and 52,621.69

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Solution

The fourth proportional to 88,931.66, 122,767.05 and 52,621.69 is: 72,642.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,931.66 : 122,767.05 = 52,621.69 : x
  2. Step 2: Convert to fraction form
    88,931.66/122,767.05 = 52,621.69/x
  3. Step 3: Cross multiply
    88,931.66x = 122,767.05 × 52,621.69
  4. Step 4: Simplify right side
    88,931.66x = 6,460,209,647.31
  5. Step 5: Solve for x
    x = 6,460,209,647.31/88,931.66
  6. Step 6: Final answer
    x = 72,642.40

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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.