Home / 67,430.87-93,066.65-40,208.70

Finding the Fourth Proportional to 67,430.87, 93,066.65 and 40,208.70

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Solution

The fourth proportional to 67,430.87, 93,066.65 and 40,208.70 is: 55,495.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,430.87 : 93,066.65 = 40,208.70 : x
  2. Step 2: Convert to fraction form
    67,430.87/93,066.65 = 40,208.70/x
  3. Step 3: Cross multiply
    67,430.87x = 93,066.65 × 40,208.70
  4. Step 4: Simplify right side
    67,430.87x = 3,742,089,534.77
  5. Step 5: Solve for x
    x = 3,742,089,534.77/67,430.87
  6. Step 6: Final answer
    x = 55,495.20

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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.