Home / 83,750.13-115,575.90-45,509.67

Finding the Fourth Proportional to 83,750.13, 115,575.90 and 45,509.67

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Solution

The fourth proportional to 83,750.13, 115,575.90 and 45,509.67 is: 62,803.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,750.13 : 115,575.90 = 45,509.67 : x
  2. Step 2: Convert to fraction form
    83,750.13/115,575.90 = 45,509.67/x
  3. Step 3: Cross multiply
    83,750.13x = 115,575.90 × 45,509.67
  4. Step 4: Simplify right side
    83,750.13x = 5,259,821,415.34
  5. Step 5: Solve for x
    x = 5,259,821,415.34/83,750.13
  6. Step 6: Final answer
    x = 62,803.74

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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.