Home / 65,627.20-98,513.70-40,695.40

Finding the Fourth Proportional to 65,627.20, 98,513.70 and 40,695.40

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Solution

The fourth proportional to 65,627.20, 98,513.70 and 40,695.40 is: 61,088.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,627.20 : 98,513.70 = 40,695.40 : x
  2. Step 2: Convert to fraction form
    65,627.20/98,513.70 = 40,695.40/x
  3. Step 3: Cross multiply
    65,627.20x = 98,513.70 × 40,695.40
  4. Step 4: Simplify right side
    65,627.20x = 4,009,054,426.98
  5. Step 5: Solve for x
    x = 4,009,054,426.98/65,627.20
  6. Step 6: Final answer
    x = 61,088.31

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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.