Home / 51,312.61-70,833.05-31,176.01

Finding the Fourth Proportional to 51,312.61, 70,833.05 and 31,176.01

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Solution

The fourth proportional to 51,312.61, 70,833.05 and 31,176.01 is: 43,036.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,312.61 : 70,833.05 = 31,176.01 : x
  2. Step 2: Convert to fraction form
    51,312.61/70,833.05 = 31,176.01/x
  3. Step 3: Cross multiply
    51,312.61x = 70,833.05 × 31,176.01
  4. Step 4: Simplify right side
    51,312.61x = 2,208,291,875.13
  5. Step 5: Solve for x
    x = 2,208,291,875.13/51,312.61
  6. Step 6: Final answer
    x = 43,036.05

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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.