Home / 51,323.40-76,985.10-46,074.60

Finding the Fourth Proportional to 51,323.40, 76,985.10 and 46,074.60

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Solution

The fourth proportional to 51,323.40, 76,985.10 and 46,074.60 is: 69,111.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,323.40 : 76,985.10 = 46,074.60 : x
  2. Step 2: Convert to fraction form
    51,323.40/76,985.10 = 46,074.60/x
  3. Step 3: Cross multiply
    51,323.40x = 76,985.10 × 46,074.60
  4. Step 4: Simplify right side
    51,323.40x = 3,547,057,688.46
  5. Step 5: Solve for x
    x = 3,547,057,688.46/51,323.40
  6. Step 6: Final answer
    x = 69,111.90

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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.