Home / 108,465.02-149,680.07-60,720.08

Finding the Fourth Proportional to 108,465.02, 149,680.07 and 60,720.08

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Solution

The fourth proportional to 108,465.02, 149,680.07 and 60,720.08 is: 83,792.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,465.02 : 149,680.07 = 60,720.08 : x
  2. Step 2: Convert to fraction form
    108,465.02/149,680.07 = 60,720.08/x
  3. Step 3: Cross multiply
    108,465.02x = 149,680.07 × 60,720.08
  4. Step 4: Simplify right side
    108,465.02x = 9,088,585,000.51
  5. Step 5: Solve for x
    x = 9,088,585,000.51/108,465.02
  6. Step 6: Final answer
    x = 83,792.78

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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.