Home / 47,030.08-70,547.28-11,970.04

Finding the Fourth Proportional to 47,030.08, 70,547.28 and 11,970.04

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Solution

The fourth proportional to 47,030.08, 70,547.28 and 11,970.04 is: 17,955.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,030.08 : 70,547.28 = 11,970.04 : x
  2. Step 2: Convert to fraction form
    47,030.08/70,547.28 = 11,970.04/x
  3. Step 3: Cross multiply
    47,030.08x = 70,547.28 × 11,970.04
  4. Step 4: Simplify right side
    47,030.08x = 844,453,542.24
  5. Step 5: Solve for x
    x = 844,453,542.24/47,030.08
  6. Step 6: Final answer
    x = 17,955.61

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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.