Home / 92,918.95-128,228.67-50,477.58

Finding the Fourth Proportional to 92,918.95, 128,228.67 and 50,477.58

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Solution

The fourth proportional to 92,918.95, 128,228.67 and 50,477.58 is: 69,659.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,918.95 : 128,228.67 = 50,477.58 : x
  2. Step 2: Convert to fraction form
    92,918.95/128,228.67 = 50,477.58/x
  3. Step 3: Cross multiply
    92,918.95x = 128,228.67 × 50,477.58
  4. Step 4: Simplify right side
    92,918.95x = 6,472,672,948.22
  5. Step 5: Solve for x
    x = 6,472,672,948.22/92,918.95
  6. Step 6: Final answer
    x = 69,659.34

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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.