Home / 64,758.10-89,368.93-36,077.74

Finding the Fourth Proportional to 64,758.10, 89,368.93 and 36,077.74

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Solution

The fourth proportional to 64,758.10, 89,368.93 and 36,077.74 is: 49,788.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,758.10 : 89,368.93 = 36,077.74 : x
  2. Step 2: Convert to fraction form
    64,758.10/89,368.93 = 36,077.74/x
  3. Step 3: Cross multiply
    64,758.10x = 89,368.93 × 36,077.74
  4. Step 4: Simplify right side
    64,758.10x = 3,224,229,009.86
  5. Step 5: Solve for x
    x = 3,224,229,009.86/64,758.10
  6. Step 6: Final answer
    x = 49,788.82

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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.