Home / 89,316.10-134,000.47-35,980.63

Finding the Fourth Proportional to 89,316.10, 134,000.47 and 35,980.63

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Solution

The fourth proportional to 89,316.10, 134,000.47 and 35,980.63 is: 53,981.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,316.10 : 134,000.47 = 35,980.63 : x
  2. Step 2: Convert to fraction form
    89,316.10/134,000.47 = 35,980.63/x
  3. Step 3: Cross multiply
    89,316.10x = 134,000.47 × 35,980.63
  4. Step 4: Simplify right side
    89,316.10x = 4,821,421,150.99
  5. Step 5: Solve for x
    x = 4,821,421,150.99/89,316.10
  6. Step 6: Final answer
    x = 53,981.55

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1.5x scale

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.