Home / 72,352.40-108,528.60-60,688.40

Finding the Fourth Proportional to 72,352.40, 108,528.60 and 60,688.40

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Solution

The fourth proportional to 72,352.40, 108,528.60 and 60,688.40 is: 91,032.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,352.40 : 108,528.60 = 60,688.40 : x
  2. Step 2: Convert to fraction form
    72,352.40/108,528.60 = 60,688.40/x
  3. Step 3: Cross multiply
    72,352.40x = 108,528.60 × 60,688.40
  4. Step 4: Simplify right side
    72,352.40x = 6,586,427,088.24
  5. Step 5: Solve for x
    x = 6,586,427,088.24/72,352.40
  6. Step 6: Final answer
    x = 91,032.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.