Home / 61,031.89-91,490.10-46,015.69

Finding the Fourth Proportional to 61,031.89, 91,490.10 and 46,015.69

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Solution

The fourth proportional to 61,031.89, 91,490.10 and 46,015.69 is: 68,980.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,031.89 : 91,490.10 = 46,015.69 : x
  2. Step 2: Convert to fraction form
    61,031.89/91,490.10 = 46,015.69/x
  3. Step 3: Cross multiply
    61,031.89x = 91,490.10 × 46,015.69
  4. Step 4: Simplify right side
    61,031.89x = 4,209,980,079.67
  5. Step 5: Solve for x
    x = 4,209,980,079.67/61,031.89
  6. Step 6: Final answer
    x = 68,980.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.