Home / 58,987.04-81,430.11-37,778.81

Finding the Fourth Proportional to 58,987.04, 81,430.11 and 37,778.81

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Solution

The fourth proportional to 58,987.04, 81,430.11 and 37,778.81 is: 52,152.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,987.04 : 81,430.11 = 37,778.81 : x
  2. Step 2: Convert to fraction form
    58,987.04/81,430.11 = 37,778.81/x
  3. Step 3: Cross multiply
    58,987.04x = 81,430.11 × 37,778.81
  4. Step 4: Simplify right side
    58,987.04x = 3,076,332,246.82
  5. Step 5: Solve for x
    x = 3,076,332,246.82/58,987.04
  6. Step 6: Final answer
    x = 52,152.68

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1.5x scale

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.