Home / 84,869.40-117,119.80-46,631.40

Finding the Fourth Proportional to 84,869.40, 117,119.80 and 46,631.40

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Solution

The fourth proportional to 84,869.40, 117,119.80 and 46,631.40 is: 64,351.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,869.40 : 117,119.80 = 46,631.40 : x
  2. Step 2: Convert to fraction form
    84,869.40/117,119.80 = 46,631.40/x
  3. Step 3: Cross multiply
    84,869.40x = 117,119.80 × 46,631.40
  4. Step 4: Simplify right side
    84,869.40x = 5,461,459,656.12
  5. Step 5: Solve for x
    x = 5,461,459,656.12/84,869.40
  6. Step 6: Final answer
    x = 64,351.34

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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.