Home / 64,890.74-89,547.27-36,211.16

Finding the Fourth Proportional to 64,890.74, 89,547.27 and 36,211.16

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Solution

The fourth proportional to 64,890.74, 89,547.27 and 36,211.16 is: 49,970.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,890.74 : 89,547.27 = 36,211.16 : x
  2. Step 2: Convert to fraction form
    64,890.74/89,547.27 = 36,211.16/x
  3. Step 3: Cross multiply
    64,890.74x = 89,547.27 × 36,211.16
  4. Step 4: Simplify right side
    64,890.74x = 3,242,610,521.53
  5. Step 5: Solve for x
    x = 3,242,610,521.53/64,890.74
  6. Step 6: Final answer
    x = 49,970.31

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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.