Home / 64,830.65-89,430.53-40,667.04

Finding the Fourth Proportional to 64,830.65, 89,430.53 and 40,667.04

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Solution

The fourth proportional to 64,830.65, 89,430.53 and 40,667.04 is: 56,098.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,830.65 : 89,430.53 = 40,667.04 : x
  2. Step 2: Convert to fraction form
    64,830.65/89,430.53 = 40,667.04/x
  3. Step 3: Cross multiply
    64,830.65x = 89,430.53 × 40,667.04
  4. Step 4: Simplify right side
    64,830.65x = 3,636,874,714.62
  5. Step 5: Solve for x
    x = 3,636,874,714.62/64,830.65
  6. Step 6: Final answer
    x = 56,098.07

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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.