Home / 98,931.66-136,528.23-60,712.32

Finding the Fourth Proportional to 98,931.66, 136,528.23 and 60,712.32

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Solution

The fourth proportional to 98,931.66, 136,528.23 and 60,712.32 is: 83,784.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,931.66 : 136,528.23 = 60,712.32 : x
  2. Step 2: Convert to fraction form
    98,931.66/136,528.23 = 60,712.32/x
  3. Step 3: Cross multiply
    98,931.66x = 136,528.23 × 60,712.32
  4. Step 4: Simplify right side
    98,931.66x = 8,288,945,588.79
  5. Step 5: Solve for x
    x = 8,288,945,588.79/98,931.66
  6. Step 6: Final answer
    x = 83,784.56

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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.