Home / 72,104.04-99,547.41-49,480.20

Finding the Fourth Proportional to 72,104.04, 99,547.41 and 49,480.20

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Solution

The fourth proportional to 72,104.04, 99,547.41 and 49,480.20 is: 68,312.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,104.04 : 99,547.41 = 49,480.20 : x
  2. Step 2: Convert to fraction form
    72,104.04/99,547.41 = 49,480.20/x
  3. Step 3: Cross multiply
    72,104.04x = 99,547.41 × 49,480.20
  4. Step 4: Simplify right side
    72,104.04x = 4,925,625,756.28
  5. Step 5: Solve for x
    x = 4,925,625,756.28/72,104.04
  6. Step 6: Final answer
    x = 68,312.76

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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.