Home / 64,009.90-88,333.63-35,715.57

Finding the Fourth Proportional to 64,009.90, 88,333.63 and 35,715.57

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Solution

The fourth proportional to 64,009.90, 88,333.63 and 35,715.57 is: 49,287.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,009.90 : 88,333.63 = 35,715.57 : x
  2. Step 2: Convert to fraction form
    64,009.90/88,333.63 = 35,715.57/x
  3. Step 3: Cross multiply
    64,009.90x = 88,333.63 × 35,715.57
  4. Step 4: Simplify right side
    64,009.90x = 3,154,885,945.62
  5. Step 5: Solve for x
    x = 3,154,885,945.62/64,009.90
  6. Step 6: Final answer
    x = 49,287.47

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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.