Home / 53,756.10-73,987.56-47,340.74

Finding the Fourth Proportional to 53,756.10, 73,987.56 and 47,340.74

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Solution

The fourth proportional to 53,756.10, 73,987.56 and 47,340.74 is: 65,157.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,756.10 : 73,987.56 = 47,340.74 : x
  2. Step 2: Convert to fraction form
    53,756.10/73,987.56 = 47,340.74/x
  3. Step 3: Cross multiply
    53,756.10x = 73,987.56 × 47,340.74
  4. Step 4: Simplify right side
    53,756.10x = 3,502,626,026.16
  5. Step 5: Solve for x
    x = 3,502,626,026.16/53,756.10
  6. Step 6: Final answer
    x = 65,157.74

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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.