Home / 93,084.50-128,457.18-50,643.34

Finding the Fourth Proportional to 93,084.50, 128,457.18 and 50,643.34

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Solution

The fourth proportional to 93,084.50, 128,457.18 and 50,643.34 is: 69,888.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,084.50 : 128,457.18 = 50,643.34 : x
  2. Step 2: Convert to fraction form
    93,084.50/128,457.18 = 50,643.34/x
  3. Step 3: Cross multiply
    93,084.50x = 128,457.18 × 50,643.34
  4. Step 4: Simplify right side
    93,084.50x = 6,505,500,642.18
  5. Step 5: Solve for x
    x = 6,505,500,642.18/93,084.50
  6. Step 6: Final answer
    x = 69,888.12

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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.