Home / 75,767.04-104,515.70-47,423.52

Finding the Fourth Proportional to 75,767.04, 104,515.70 and 47,423.52

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Solution

The fourth proportional to 75,767.04, 104,515.70 and 47,423.52 is: 65,417.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,767.04 : 104,515.70 = 47,423.52 : x
  2. Step 2: Convert to fraction form
    75,767.04/104,515.70 = 47,423.52/x
  3. Step 3: Cross multiply
    75,767.04x = 104,515.70 × 47,423.52
  4. Step 4: Simplify right side
    75,767.04x = 4,956,502,389.26
  5. Step 5: Solve for x
    x = 4,956,502,389.26/75,767.04
  6. Step 6: Final answer
    x = 65,417.66

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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.