Home / 90,921.85-125,492.55-59,035.39

Finding the Fourth Proportional to 90,921.85, 125,492.55 and 59,035.39

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Solution

The fourth proportional to 90,921.85, 125,492.55 and 59,035.39 is: 81,482.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,921.85 : 125,492.55 = 59,035.39 : x
  2. Step 2: Convert to fraction form
    90,921.85/125,492.55 = 59,035.39/x
  3. Step 3: Cross multiply
    90,921.85x = 125,492.55 × 59,035.39
  4. Step 4: Simplify right side
    90,921.85x = 7,408,501,631.34
  5. Step 5: Solve for x
    x = 7,408,501,631.34/90,921.85
  6. Step 6: Final answer
    x = 81,482.08

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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.