Home / 92,880.51-128,173.95-50,439.34

Finding the Fourth Proportional to 92,880.51, 128,173.95 and 50,439.34

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Solution

The fourth proportional to 92,880.51, 128,173.95 and 50,439.34 is: 69,605.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,880.51 : 128,173.95 = 50,439.34 : x
  2. Step 2: Convert to fraction form
    92,880.51/128,173.95 = 50,439.34/x
  3. Step 3: Cross multiply
    92,880.51x = 128,173.95 × 50,439.34
  4. Step 4: Simplify right side
    92,880.51x = 6,465,009,443.19
  5. Step 5: Solve for x
    x = 6,465,009,443.19/92,880.51
  6. Step 6: Final answer
    x = 69,605.66

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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.