Home / 93,518.81-129,055.96-51,077.45

Finding the Fourth Proportional to 93,518.81, 129,055.96 and 51,077.45

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Solution

The fourth proportional to 93,518.81, 129,055.96 and 51,077.45 is: 70,486.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,518.81 : 129,055.96 = 51,077.45 : x
  2. Step 2: Convert to fraction form
    93,518.81/129,055.96 = 51,077.45/x
  3. Step 3: Cross multiply
    93,518.81x = 129,055.96 × 51,077.45
  4. Step 4: Simplify right side
    93,518.81x = 6,591,848,762.67
  5. Step 5: Solve for x
    x = 6,591,848,762.67/93,518.81
  6. Step 6: Final answer
    x = 70,486.87

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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.