Home / 53,030.95-79,373.34-38,987.26

Finding the Fourth Proportional to 53,030.95, 79,373.34 and 38,987.26

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Solution

The fourth proportional to 53,030.95, 79,373.34 and 38,987.26 is: 58,353.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,030.95 : 79,373.34 = 38,987.26 : x
  2. Step 2: Convert to fraction form
    53,030.95/79,373.34 = 38,987.26/x
  3. Step 3: Cross multiply
    53,030.95x = 79,373.34 × 38,987.26
  4. Step 4: Simplify right side
    53,030.95x = 3,094,549,043.65
  5. Step 5: Solve for x
    x = 3,094,549,043.65/53,030.95
  6. Step 6: Final answer
    x = 58,353.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.