Home / 65,981.03-90,931.71-46,861.65

Finding the Fourth Proportional to 65,981.03, 90,931.71 and 46,861.65

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Solution

The fourth proportional to 65,981.03, 90,931.71 and 46,861.65 is: 64,582.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,981.03 : 90,931.71 = 46,861.65 : x
  2. Step 2: Convert to fraction form
    65,981.03/90,931.71 = 46,861.65/x
  3. Step 3: Cross multiply
    65,981.03x = 90,931.71 × 46,861.65
  4. Step 4: Simplify right side
    65,981.03x = 4,261,209,967.92
  5. Step 5: Solve for x
    x = 4,261,209,967.92/65,981.03
  6. Step 6: Final answer
    x = 64,582.35

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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.