Home / 47,130.18-65,040.89-25,909.98

Finding the Fourth Proportional to 47,130.18, 65,040.89 and 25,909.98

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Solution

The fourth proportional to 47,130.18, 65,040.89 and 25,909.98 is: 35,756.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,130.18 : 65,040.89 = 25,909.98 : x
  2. Step 2: Convert to fraction form
    47,130.18/65,040.89 = 25,909.98/x
  3. Step 3: Cross multiply
    47,130.18x = 65,040.89 × 25,909.98
  4. Step 4: Simplify right side
    47,130.18x = 1,685,208,159.08
  5. Step 5: Solve for x
    x = 1,685,208,159.08/47,130.18
  6. Step 6: Final answer
    x = 35,756.45

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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.