Home / 79,401.08-109,552.95-47,547.42

Finding the Fourth Proportional to 79,401.08, 109,552.95 and 47,547.42

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Solution

The fourth proportional to 79,401.08, 109,552.95 and 47,547.42 is: 65,603.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,401.08 : 109,552.95 = 47,547.42 : x
  2. Step 2: Convert to fraction form
    79,401.08/109,552.95 = 47,547.42/x
  3. Step 3: Cross multiply
    79,401.08x = 109,552.95 × 47,547.42
  4. Step 4: Simplify right side
    79,401.08x = 5,208,960,125.89
  5. Step 5: Solve for x
    x = 5,208,960,125.89/79,401.08
  6. Step 6: Final answer
    x = 65,603.14

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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.