Home / 108,275.13-149,420.64-59,880.34

Finding the Fourth Proportional to 108,275.13, 149,420.64 and 59,880.34

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Solution

The fourth proportional to 108,275.13, 149,420.64 and 59,880.34 is: 82,635.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,275.13 : 149,420.64 = 59,880.34 : x
  2. Step 2: Convert to fraction form
    108,275.13/149,420.64 = 59,880.34/x
  3. Step 3: Cross multiply
    108,275.13x = 149,420.64 × 59,880.34
  4. Step 4: Simplify right side
    108,275.13x = 8,947,358,726.22
  5. Step 5: Solve for x
    x = 8,947,358,726.22/108,275.13
  6. Step 6: Final answer
    x = 82,635.40

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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.