Home / 77,364.08-116,054.80-69,417.74

Finding the Fourth Proportional to 77,364.08, 116,054.80 and 69,417.74

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Solution

The fourth proportional to 77,364.08, 116,054.80 and 69,417.74 is: 104,134.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,364.08 : 116,054.80 = 69,417.74 : x
  2. Step 2: Convert to fraction form
    77,364.08/116,054.80 = 69,417.74/x
  3. Step 3: Cross multiply
    77,364.08x = 116,054.80 × 69,417.74
  4. Step 4: Simplify right side
    77,364.08x = 8,056,262,048.74
  5. Step 5: Solve for x
    x = 8,056,262,048.74/77,364.08
  6. Step 6: Final answer
    x = 104,134.40

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1.5x scale

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.